Storage case



FIG. 1 is a top front right side perspective view of a storage case showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The right side elevational view is a mirror image of the left side elevational view.

The broken-lines in the drawings are used to show portions of the storage case that do not form part of the claimed design. 

CLAIM The ornamental design for a storage case, as shown and described. 